The ancient town of Hoi An lies on the Thu Bon River , 30 km south of Da Nang . It was formerly a major trading center in Southeast Asia between the 16th and 17th centuries . Hoi An is famous for its old temples , pagodas , small tile - roofed houses and narrow streets . All the houses were made of wood , and their pillars were carved with ornamental design . All visitors to Hoi An are commended a visit to the Assembly Hall of Cantonese Chinese Congregation . This house was built in 1855 and still keeps many precious objects that belonged to the Chinese community of Hoi An . Another attractive address to tourists is Tan Ky House , which was conducted nearly two centuries ago as the house of a Vietnamese merchant . The house now looks almost exactly as it did in the early 19th century . In recent years , Hoi An has become a popular tourist destination in Vietnam . In 1999 , it was certified by UNESCO as a World Cultural Heritage Site . * Answer the questions : 1 . Where is the ancient town of Hoi An located ? 2 . What is Hoi An famous for ile An famous for old temples , pegodas , tiled - root 3 . How does Tan Ky House look now ? 4 . When was Hoi An recognized as a world Heritage site ? 5. Is it one of famous tourist places in Vietnam ?